1 ; REQUIRES: asserts 2 ; RUN: llc < %s -mtriple=thumbv7-apple-ios -stats 2>&1 | not grep "Number of pipeline stalls" 3 ; Evaluate the two vld1.8 instructions in separate MBB's, 4 ; instead of stalling on one and conditionally overwriting its result. 5 6 define <16 x i8> @multiselect(i32 %avail, i8* %foo, i8* %bar) { 7 entry: 8 %vld1 = call <16 x i8> @llvm.arm.neon.vld1.v16i8(i8* %foo, i32 1) 9 %vld2 = call <16 x i8> @llvm.arm.neon.vld1.v16i8(i8* %bar, i32 1) 10 %and = and i32 %avail, 1 11 %tobool = icmp eq i32 %and, 0 12 %retv = select i1 %tobool, <16 x i8> %vld1, <16 x i8> %vld2 13 ret <16 x i8> %retv 14 } 15 16 declare <16 x i8> @llvm.arm.neon.vld1.v16i8(i8* , i32 ) 17
